ClickHouse/tests/integration/test_keeper_snapshot_on_exit/test.py
2022-07-31 09:24:53 +00:00

53 lines
1.3 KiB
Python

import pytest
from helpers.cluster import ClickHouseCluster
import os
from kazoo.client import KazooClient
cluster = ClickHouseCluster(__file__)
CONFIG_DIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "configs")
node1 = cluster.add_instance(
"node1", main_configs=["configs/enable_keeper1.xml"], stay_alive=True
)
node2 = cluster.add_instance(
"node2", main_configs=["configs/enable_keeper2.xml"], stay_alive=True
)
def get_fake_zk(node, timeout=30.0):
_fake_zk_instance = KazooClient(
hosts=cluster.get_instance_ip(node.name) + ":9181", timeout=timeout
)
_fake_zk_instance.start()
return _fake_zk_instance
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_snapshot_on_exit(started_cluster):
zk_conn = get_fake_zk(node1)
zk_conn.create("/some_path", b"some_data")
node1.stop_clickhouse()
assert node1.contains_in_log("Created persistent snapshot")
node1.start_clickhouse()
assert node1.contains_in_log("Loaded snapshot")
node2.stop_clickhouse()
assert not node2.contains_in_log("Created persistent snapshot")
node2.start_clickhouse()
assert node2.contains_in_log("No existing snapshots")